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Mangin-Thro, L.; Sidis, Y.; Bourges, P.; Almeida-Didry, Sonia De; Giovannelli, Fabien; Laffez-Monot, I.

doi:10.1103/physrevb.89.094523

Cited by 55 publications

(77 citation statements)

References 45 publications

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“…The raw data are shown in Supplementary Fig. 1 and the detailed analysis is given in Supplementary Note 1 following a method previously discussed1314. In Fig.…”

Section: Resultsmentioning

confidence: 99%

“…In addition to the electronic orders involving charge degrees of freedom that were recently reported inside the pseudo-gap state234, polarized neutron-scattering experiments reported the existence of a magnetic intra-unit-cell (IUC) order in four different cuprate families567891011121314. The IUC magnetic order breaks time-reversal symmetry but preserves the lattice translational symmetry (LTS).…”

mentioning

confidence: 95%

“…Indeed, a fast decay of the magnetic intensity was reported from underdoped to optimally doped samples of Bi 2 Sr 2 CaCu 2 O 8+ δ (ref. 14). The magnetic intensity is proportional to T mag in the underdoped regime, whereas this scaling suddenly breaks down on approaching optimal doping.…”

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confidence: 99%

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Intra-unit-cell magnetic correlations near optimal doping in YBa2Cu3O6.85

et al. 2015

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The pseudo-gap phenomenon in copper oxide superconductors is central to any description of these materials as it prefigures the superconducting state itself. A magnetic intra-unit-cell order was found to occur just at the pseudo-gap temperature in four cuprate high-Tc superconducting families. Here we present polarized neutron-scattering measurements of nearly optimally doped YBa2Cu3O6.85, carried out on two different spectrometers, that reveal several features. The intra-unit-cell order consists of finite-sized planar domains that are very weakly correlated along the c axis. At high temperature, only the out-of-plane magnetic components correlate, indicating a strong Ising anisotropy. An aditional in-plane response develops at low temperature, giving rise to an apparent tilt of the magnetic moment. The discovery of these two regimes puts stringent constraints, which are tightly bound to the pseudo-gap physics, on the intrinsic nature of intra-unit-cell order.

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“…The raw data are shown in Supplementary Fig. 1 and the detailed analysis is given in Supplementary Note 1 following a method previously discussed1314. In Fig.…”

Section: Resultsmentioning

confidence: 99%

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confidence: 95%

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Intra-unit-cell magnetic correlations near optimal doping in YBa2Cu3O6.85

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“…One way to proceed is to perform such a study at the lowest available temperatures, either in the superconduct ing phase [7][8][9][10][11][12], or by suppressing it with a magnetic field [13] or disorder [14], Often such studies have inferred a quantum phase transition [15][16][17] associated with the pseudogap closing.…”

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confidence: 99%

Collapse of the Normal-State Pseudogap at a Lifshitz Transition in theBi2Sr2CaCu2O
Benhabib
¹
,
Sacuto
²
,
Civelli
³

et al. 2015
Phys. Rev. Lett.
101
18
86
0
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We report a fine tuned doping study of strongly overdoped Bi_{2}Sr_{2}CaCu_{2}O_{8+δ} single crystals using electronic Raman scattering. Combined with theoretical calculations, we show that the doping, at which the normal-state pseudogap closes, coincides with a Lifshitz quantum phase transition where the active holelike Fermi surface becomes electronlike. This conclusion suggests that the microscopic cause of the pseudogap is sensitive to the Fermi surface topology. Furthermore, we find that the superconducting transition temperature is unaffected by this transition, demonstrating that their origins are different on the overdoped side.

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“…First observed in YBa 2 Cu 3 O 6+x (Y123) compound, using polarized elastic neutron diffraction [28], the hidden magnetic order has been observed in three other copper-oxide families: HgBa 2 CuO 4+δ (Hg1201) [29,30], La 2−x Sr x CuO 4 (La214) [31] and Bi 2 Sr 2 CaCu 2 O 8+δ (Bi-2212) [32] (see for references also [33]). Since the size of detection was a few structural cells, it was called the intra-unit-cell (IUC) hidden magnetic order.…”

Section: Nematicity and Hidden Magnetic Order As Intra Pg Pair Chargementioning

confidence: 96%

Normal state pair nematicity and hidden magnetic order and metal-insulator (fermionboson) crossover origin of pseudogap phase of cuprates II

Abdullaev¹,

Abdullaev²,

Park³

et al. 2017

Nanosystems: Phys. Chem. Math.

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In the present paper II, we will gain an understanding of the nematicity, insulating ground state (IGS), nematicity to stripe phase transition, Fermi pockets evolution, and resistivity temperature upturn, as to be metal -insulator (fermion-boson)-crossover (MIC) phenomena for the pseudogap (PG) region of cuprates. While in the paper I [Abdullaev B., et al. arXiv:cond-mat/0703290], we obtained an understanding of the observed heat conductivity downturn, anomalous Lorentz ratio, insulator resistivity boundary, nonlinear entropy as manifestations of the same MIC. The recently observed nematicity and hidden magnetic order are related to the PG pair intra charge and spin fluctuations. We will try to obtain an answer to the question; why ground state of YBCO is Fermi liquid oscillating and of Bi-2212 is insulating? We will also clarify the physics of the recently observed MIC results of Lalibert et al. [arXiv:1606.04491] and explain the long-discussed transition of the electric charge density from doping to doping+1 dependence at the critical doping. We predict that at the upturns this density should have the temperature dependences n ∼ T 3 n 2 for T → 0, where n 2 is density for dopings close to the critical value. We understood that the upturns before and after the first critical doping have the same nature. We will find understanding of all above mentioned phenomena within PG pair physics.Keywords: high critical temperature superconductivity, cuprate, metal-insulator-crossover, temperature-doping phase diagram, resistivity temperature upturn, insulating ground state, nematicity and stripe phases, Fermi pockets evolution.

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Characterization of the intra-unit-cell magnetic order in Bi2Sr2CaCu2O

Cited by 55 publications

References 45 publications

Intra-unit-cell magnetic correlations near optimal doping in YBa2Cu3O6.85

Intra-unit-cell magnetic correlations near optimal doping in YBa2Cu3O6.85

Collapse of the Normal-State Pseudogap at a Lifshitz Transition in theBi2Sr2CaCu2O
Benhabib
¹
,
Sacuto
²
,
Civelli
³

et al. 2015
Phys. Rev. Lett.
101
18
86
0
View full text Add to dashboard Cite

Normal state pair nematicity and hidden magnetic order and metal-insulator (fermionboson) crossover origin of pseudogap phase of cuprates II

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Characterization of the intra-unit-cell magnetic order in Bi2Sr2CaCu2O

Cited by 55 publications

References 45 publications

Intra-unit-cell magnetic correlations near optimal doping in YBa2Cu3O6.85

Intra-unit-cell magnetic correlations near optimal doping in YBa2Cu3O6.85

Collapse of the Normal-State Pseudogap at a Lifshitz Transition in theBi2Sr2CaCu2OBenhabib1, Sacuto2, Civelli3 et al. 2015Phys. Rev. Lett.10118860View full textAdd to dashboardCite

Normal state pair nematicity and hidden magnetic order and metal-insulator (fermionboson) crossover origin of pseudogap phase of cuprates II

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Product

Resources

About

Collapse of the Normal-State Pseudogap at a Lifshitz Transition in theBi2Sr2CaCu2O
Benhabib
¹
,
Sacuto
²
,
Civelli
³

et al. 2015
Phys. Rev. Lett.
101
18
86
0
View full text Add to dashboard Cite